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3 years ago

12

Whats 9×7 I need to know please and thank you

2 answers:

lana [24]3 years ago

6 0

The answer to 9×7 would be 63

tia_tia [17]3 years ago

5 0

9x7 is 63.

This is an easy way to do multiplication with the 9. Hold out both hands and let’s say we want to figure out what 9x5 is. Put down the 5th finger, there will be 4 fingers left on one hand and 5 fingers on the other. Your answer would be 45. For this problem, put down the 7th finger and you get 6 on one side and 3 on the other side.

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16d - (4 - 5d) = -67 Please help me find d

madreJ [45]

$16d-(4-5d)=-67\\\\16d-4-(-5d)=-67\\\\16d-4+5d=-67\\\\21d-4=-67\ \ \ \ /+4\\\\21d-4+4=-67+4\\\\21d=-63\ \ \ \ /:21\\\\21d:21=-63:21\\\\d=-3$

5 0

3 years ago

Read 2 more answers

Express the radical using the imaginary unit, i

Kipish [7]

Answer:

7i.

Step-by-step explanation:

Note : The given expression must be $\sqrt{-49}$ .

We have to write this radical value in the imaginary value.

The given value can be rewritten as

$\sqrt{-49}=\sqrt{49\times (-1)}$

$\sqrt{-49}=\sqrt{49}\times \sqrt{-1}$ $[\because \sqrt{ab}=\sqrt{a}\sqrt{b}]$

$\sqrt{-49}=7\times i$ $[\because \sqrt{-1}=i]$

$\sqrt{-49}=7i$

Therefore, the required expression is 7i.

8 0

3 years ago

A recipe that makes 20 cookies calls for 2 cups of chocolate chips and 1 cup of chopped nuts. How many cups of chocolate chips a

dangina [55]

Answer:

8 cups of chocolate chips and 4 cups of chopped nuts

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

226.19 divided by 2/3

Tanzania [10]

226.19 / 2/3 =
226.19 x 3/2 =
226.19 x 1.5 =
339.285

339.285 is your answer.

5 0

3 years ago

Write the equation of the line that is parallel to the graph of y=-4x -9, and whose y-intercept is 3.

Olin [163]

Answer:

y = -4x +3

Step-by-step explanation:

the only thing you need from the equation is the slope, which is -4

y = -4x +3

3 0

3 years ago